diff options
| -rwxr-xr-x | scripts/kvm/kvm_stat | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/scripts/kvm/kvm_stat b/scripts/kvm/kvm_stat index 5b6742a..af24f2d 100755 --- a/scripts/kvm/kvm_stat +++ b/scripts/kvm/kvm_stat @@ -279,6 +279,20 @@ def walkdir(path): """ return next(os.walk(path)) + +def get_online_cpus(): + cpulist = [] + pattern = r'cpu([0-9]+)' + basedir = '/sys/devices/system/cpu' + for entry in os.listdir(basedir): + match = re.match(pattern, entry) + if not match: + continue + path = os.path.join(basedir, entry, 'online') + if os.path.isfile(path) and open(path).read().strip() == '1': + cpulist.append(int(match.group(1))) + return cpulist + filters = {} filters['kvm_userspace_exit'] = ('reason', USERSPACE_EXIT_REASONS) if EXIT_REASONS: @@ -375,23 +389,9 @@ class TracepointProvider(object): def fields(self): return self._fields - def _online_cpus(self): - l = [] - pattern = r'cpu([0-9]+)' - basedir = '/sys/devices/system/cpu' - for entry in os.listdir(basedir): - match = re.match(pattern, entry) - if not match: - continue - path = os.path.join(basedir, entry, 'online') - if os.path.exists(path) and open(path).read().strip() != '1': - continue - l.append(int(match.group(1))) - return l - def _setup(self, _fields): self._fields = _fields - cpus = self._online_cpus() + cpus = get_online_cpus() # The constant is needed as a buffer for python libs, std # streams and other files that the script opens. |